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3D Wound Core Energy-saving Technology Pioneer
3D Wound Core Energy-saving Technology Pioneer
As a leader in research, development and manufacturing of transformer energy-saving technology in China, Haihong Electric is committed to promoting green energy-saving transformers and technologies to the power system, helping the world to build a low-carbon power grid.
Enter Haihong
Since
1998
Since
Patents
400+
Patents
On grid
200,000Sets
On grid
Five Leading Products
Five Leading Products
Fully insulated low- temperature-rise 3d wound core dry-type transformer
Fully insulated low- temperature-rise 3d wound core dry-type transformer
Fully insulated low- temperature-rise 3d wound core dry-type transformer adopts 3D wound core structure and composite insulation system of NOMEX insulation paper, PIF film and Elantas varnish, high efficiency, energy-saving, environmental-friendly, safety and reliablity.Whole lifecycle is in line with the principles of green design, with outstanding feature of green and energy saving, to help achieve the goal of " emission peak, carbon neutrality".
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110kV 3D Wound Core Power Transformer
110kV 3D Wound Core Power Transformer
Solved the "stuck neck" bottleneck technical problem of the 3D wound core technology that step over from the 35kV and below distribution transformer system to the 110kV power transformer system. It has the characteristics of low loss, low noise, low partial discharge, small radiation, and small size, which effectively solved the problem of "NIMBY effect" and improved the overall economic efficiency and safety of the transmission network.
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Amorphous Alloy 3D Wound Core Transformer
Amorphous Alloy 3D Wound Core Transformer
Overcome the technical difficulties in production and processing technology caused by the materials' characteristics as hard, thin and brittle,combine the superior energy-saving effect of amorphous alloy materials with 3D wound core structure, energy-saving effect is outstanding, meanwhile, to solve the shortcomings of traditional amorphous alloy transformers in terms of noise, stability and short-circuit resistance, the technology reached to the international advanced level.
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Photovoltaic Intelligent Double-layer Dual-transformer Substation
Photovoltaic Intelligent Double-layer Dual-transformer Substation
Adopts the technologies of double-layer design, intelligent equipment, 3D wound core structure, intelligent, low carbon, environmental-friendly, to achieve the substation with the advantages ofcompactness, intelligence, visualization, and low carbonization, to solve the "NIMBY" issues such as large floor space occupied by equipment,noise pollution, unstable power supply, and potential safety hazards.The entire technology reached to the international advanced level, among which the compact design and transformer performance indicators have reached the international leading level.
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Integrated One-Stop Charging Station
Integrated One-Stop Charging Station
The integrated one-stop chareing station breaks the barrier of decentralized construction of traditional charging and distribution equipment. Byadopting an intensive design, it integrates charging and distribution functions, allowing for the configuration of photovoltaic power generationsystems and energy storage systems according to project requirements. This approach results in a shorter overall installation and commissioningcycle for the electric vehicle charging station, more reasonable space planning, and higher operational efficiency
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Solutions
Intelligent Grid
Intelligent Grid Intelligent Grid
Noise Pollution
Noise Pollution Noise Pollution
Site Selection
Site Selection Site Selection
Urban Waterlog
Urban Waterlog Urban Waterlog
High Salt Spray Area
High Salt Spray Area High Salt Spray Area
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Intelligent Grid
Intelligent Grid
In line with the development demands of intelligent grid, deep integration of intelligent components and HAIHONG intelligent energy-saving monitoring system (cloud platform), achieve the functions such as remote data collection and transmission, data analysis, fault warning and alarm, Enhance the safety production guarantee capability of substations, improve the intelligent level of the power grid and the lean management level of operation inspection, and empower the development of operation and maintenance management and efficiency improvement of intelligent substations.
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Noise Pollution
Noise Pollution
3D wound core creatively reforms the magnetic circuit structure of the traditional three-phase transformer, greatly reduces the noise of the transformer, and the operating sound is lower than 45db.It can be as low as the lowest class 1 standard (38 decibels) of the noise standard GB 3096-2008, providing a solution for residential areas that are plagued by noise from power distribution rooms, meeting the quiet living needs of surrounding residents, and effectively solving the problem of transformer noise disturbing residents and with outstanding environment benefit.
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Site Selection
Site Selection
In line with the green development concept of "carbon peak and carbon neutrality", the design is miniaturized in size, compact and reasonable in layout, lightweight in design, convenient to install and transport, deep into the load center,reduce resource consumption such as power loss in power distribution and distribution systems,It is convenient for the operation, transportation, maintenance, test and inspection of equipment, and provides practical industry solutions for the current global energy transformation.
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Urban Waterlog
Urban Waterlog
In the whole life cycle, it can effectively resist urban waterlogging caused by extreme weather such as rainstorms and floods, reduce the risk of failure and burning of power equipment after soaking, reduce the economic loss caused by long-term power outages and failures of transformers, and ensure the safety and efficiency of power transmission and distribution of the grid. , Stable operation, widely serving in the areas of typhoon and hurricane activity areas such as the southeast coast of China, Japan, South Korea and the United States.
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High Salt Spray Area
High Salt Spray Area
Use salt-spray-resistant materials (stainless steel) which with high-quality, combined with corrosion-resistant process design, prevent power equipment from oxidative expansion and shrinkage under harsh salt spray conditions, resulting in poor contact, component corrosion, power equipment problems, and avoid safety hazards such as short circuits and explosions caused by transformer corrosion and environmental pollution, extend the service life of the transformer.
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HAIHONG Electric commits to providing value-added products and services for our customer, ensure to meet our customer demands. We are looking forward to exploring more electrical solutions with all customers, helping enterprises and power grid users to achieve digital management, sustainable development, and a win-win green future.
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New Energy
Power System
Data Center and Electronic Appliance
Transportation Infrastructure
Architecture and Municipal
Industry
Others
Zhongshan Automobile Terminal Charging Pile Project
New Energy
Zhongshan Automobile Terminal Charging Pile Project
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Southern Power Grid Nanning Pumped Storage Power Station
New Energy
Southern Power Grid Nanning Pumped Storage Power Station
Hanlan Environmental Waste Incineration Power Generation
New Energy
Hanlan Environmental Waste Incineration Power Generation
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CGN Guangdong Taipingling Nuclear Power Plant Phase I Project
New Energy
CGN Guangdong Taipingling Nuclear Power Plant Phase I Project
Japan Hamada MS Solar Power Station Project II
New Energy
Japan Hamada MS Solar Power Station Project II
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State Grid Corporation of China
New Energy
State Grid Corporation of China
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Guangdong Dongdao New Energy Materials Co., Ltd.
New Energy
Guangdong Dongdao New Energy Materials Co., Ltd.
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Charging Pile Charging Pile Charging Pile
Hydropower Generation Hydropower Generation Hydropower Generation
Waste Incineration Power Generation Waste Incineration Power Generation Waste Incineration Power Generation
Nuclear Power Generation Nuclear Power Generation Nuclear Power Generation
Photovoltaic Power Generation Photovoltaic Power Generation Photovoltaic Power Generation
Wind Power Wind Power Wind Power
Others Others Others
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State Grid
Power System
State Grid
Guangdong Power Grid DC Back-to-Back Dongguan Project
Power System
Guangdong Power Grid DC Back-to-Back Dongguan Project
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State Grid State Grid State Grid
China Southern Power Grid China Southern Power Grid China Southern Power Grid
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Guangzhou Yuexin Semiconductor Project
Data Center and Electronic Appliance
Guangzhou Yuexin Semiconductor Project
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Bourne Optics Ltd
Data Center and Electronic Appliance
Bourne Optics Ltd
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Data Center Data Center Data Center
Electronic Appliance Electronic Appliance Electronic Appliance
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Guangzhou Metro Line 1
Transportation Infrastructure
Guangzhou Metro Line 1
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Guangzhou Baiyun Airport Project
Transportation Infrastructure
Guangzhou Baiyun Airport Project
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Hong Kong-Zhuhai-Macao Bridge Project
Transportation Infrastructure
Hong Kong-Zhuhai-Macao Bridge Project
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Nansha Seaport Container Terminal Project
Transportation Infrastructure
Nansha Seaport Container Terminal Project
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Rail Transit Rail Transit Rail Transit
Airport Airport Airport
Road Road Road
Port Terminal Port Terminal Port Terminal
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Beijing 2022 Winter Olympics and Paralympics
Architecture and Municipal
Beijing 2022 Winter Olympics and Paralympics "Ice Cube" Project
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Shenzhen Version Xiaotangshan Hospital Project
Architecture and Municipal
Shenzhen Version Xiaotangshan Hospital Project
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Guangzhou University Library
Architecture and Municipal
Guangzhou University Library
Shenzhen Bay 1
Architecture and Municipal
Shenzhen Bay 1
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Kaiping Sunac Real Estate
Architecture and Municipal
Kaiping Sunac Real Estate
Government Projects Government Projects Government Projects
Hospitals Hospitals Hospitals
Schools Schools Schools
High-rise Buildings High-rise Buildings High-rise Buildings
Real Estate Real Estate Real Estate
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Petro China
Industry
Petro China
China Baowu Steel Corporation
Industry
China Baowu Steel Corporation
Zhuhai Gree Electric Appliances Co., Ltd.
Industry
Zhuhai Gree Electric Appliances Co., Ltd.
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Petrochemical Petrochemical Petrochemical
Iron and Steel Metallurgy Iron and Steel Metallurgy Iron and Steel Metallurgy
Manufacturing Manufacturing Manufacturing
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Guangdong Shunxin Ocean Fishery Group Co., Ltd.
Others
Guangdong Shunxin Ocean Fishery Group Co., Ltd.
Others Others Others
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News Information
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2026-04-11

Green Power Distribution "Core Engine": Haihong Amorphous Dry-Type Transformers Fully Safeguard the Pinglu Canal Lock System

Haihong Electric is safeguarding the canal's navigation with its robust capabilities, laying a solid power foundation for the "golden waterway" that connects the southwest region to the sea.
Green Power Distribution
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2026-03-24

Haihong Electric's Prefabricated Substation for Energy Storage Debuts at 2026 Smart Energy Week in Japan

Haihong Electric's Prefabricated Substation for Energy Storage Shines at 2026 Smart Energy Week in Japan. It garnered extensive attention and high recognition in the international market.
Haihong Electric's Prefabricated Substation for Energy Storage Debuts at 2026 Smart Energy Week in Japan
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2026-03-11

Seizing the Opportunity of Equipment Renewal in Guangdong, Haihong Electric's Energy-Saving 3D Wound Core Transformer Technology Empowers Distribution System Upgrades

Seizing the opportunities presented by the national "dual carbon" strategy and equipment renewal policies, we leverage robust technology and full-chain services to help enterprises reduce costs, enhance efficiency, and achieve green transformation.
Seizing the Opportunity of Equipment Renewal in Guangdong, Haihong Electric's Energy-Saving 3D Wound Core Transformer Technology Empowers Distribution System Upgrades
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